Kihyun

At 30 years old, Kihyun has this physical status:

In December 2014, Kihyun competed in the Mnet's survival show No.Mercy. Along with six other trainees from the show, Monsta X was formed, a hip-hop idol group that debuted under Starship Entertainment on May 14, 2015 with the EP Trespass. Through the survival show, he also released 2 collaboration tracks in 2015; "Pillow" with Sistar's Soyou and Giriboy on January 14, and "0 (Young)" with Giriboy, Mad Clown, Jooyoung, and other remaining trainees in No.Mercy on February 4.

In May 2015, Kihyun and fellow Monsta X member Jooheon, recorded a television soundtrack titled "Attractive Woman" for KBS2's Orange Marmalade. In October, he also sang his first solo original soundtrack "One More Step" for the MBC's television drama She Was Pretty.

Kihyun appeared as a contestant on King of Mask Singer with the name "Tell Them I'm the Dragon King" on January 3, 2016. He won the first round against Apink's Namjoo, known as "Good Daughter Shim Cheong". On the second round of the competition, he lost to Lim Jeong-hee, known as "Rolled Good Fortune", with the difference of three votes.

Kihyun sung the acoustic version of "The Tiger Moth" for the soundtrack for MBC's drama Shopping King Louie, which was released on October 27.

In June 2017, an original soundtrack titled "I've Got A Feeling" for SBS's drama Suspicious Partner was released.

In May 2018, Kihyun recorded "Can't Breathe" for MBC's Partners for Justice with fellow Monsta X member Jooheon, and in June, he also recorded "Love Virus" for tvN's drama What's Wrong with Secretary Kim together with WJSN's Seola.

For Monsta X's album All About Luv, Kihyun participated in writing and producing of three songs, including "Who Do U Love?" featuring French Montana (and its remix by will.i.am), "Middle of the Night", and "Beside U". He had previously co-written "I Do Love U" from Take.1 Are You There? with three other members, as well as co-written and produced the song "No Exit" for their debut EP Trespass.

In April 2020, Kihyun released a song for the soundtrack of KBS2's Welcome, titled "Again Spring", and then a song for KBS2's Do Do Sol Sol La La Sol, titled "To Be With You", on October 7. In October, Kihyun had a solo stage for M Studio on M Countdown, where he performed a cover of the song "Bad" by Christopher.

In February, Kihyun released a song for the soundtrack of the drama Replay: The Moment, titled "O.M.O.M.". He was praised for his work on the drama, particularly his voice was able to express the "sweetness and softness" that complemented the drama.

In August, Kihyun appeared as a special guest on Naver Now's Night Studio, where he sang covers of several songs, including "Middle of the Night" by Monsta X and "Radioactive" by Imagine Dragons, with a live band. He also became a new DJ for Naver Now's Midnight Idol, alongside group member I.M.

In September, Kihyun appeared again as a contestant on King of Mask Singer's special duet episode for the 2021 Chuseok holiday. Kihyun also paired up with a co-label solo artist Jeong Se-woon as the "Cheongdam-dong Sworn Brothers". They lost in the first round against MeloMance's Kim Min-seok and actor Kim Woo-seok as the "Brave Brothers".

He made his solo debut with the single album Voyager, along with the lead single of the same name, contributing to the lyrics of the song ", (Comma)" on March 15, 2022. Kihyun tested positive for COVID-19 on March 30.

On August 4, Kihyun released a song for the soundtrack of the webcomic After School Lessons for Unripe Apples, titled "Is This Love".

On September 16, he appeared and performed in the music festival KPOP LAND 2022, to commemorate love, peace, and a better world, in Jakarta, Indonesia.

On October 14, Kihyun performed in the KCON event KCON 2022 Japan, held at Ariake Arena in Tokyo. On October 24, he also released his first EP Youth, along with the lead single of the same name. On October 25, Kihyun was selected as the sole host for Naver Now's new live show PLAY!, starting on November 7.

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